Yvan Mayeur says that the mosques in Brussels are run by Salafists
And he said there has to be penalties for mosques that support Salafism, an ultra-orthodox religious-political ideology based on a belief in "physical" jihadism practised by some followers of the Sunni faith.
The comments, made by Yvan Mayeur, come just over a year after the terror attacks that rocked the city and its airport killing 16 people and injuring 300 more on March 22 2016.
In an interview with newspaper De Morgen, the 57-year-old Socialist Party mayor said more has to be done to combat the spread of radicalism in Europe.
A memorial was unveiled in Brussels this week
Everyone knows that all mosques in Brussels are in the hands of Salafists.
He said: “Everyone knows that all mosques in Brussels are in the hands of Salafists.
“We need to change this, we need new mosques that follow our democratic rules and that are being controlled by the government.
“Jihadism in Belgium started in Antwerp, then spread to Vilvoorde, Molenbeek and Brussels-north.
Belgian and EU flags arer displayed above the entrance to the Grand Mosque in Brussels
“Terrorism is a problem that involves Europe as a whole.
"Don’t forget what happened in Paris, Nice and Berlin.
"If this was only a Brussels problem, it would have been solved.”
A report earlier this week revealed police in the Brussels district of Molenbeek have identified 51 organisations with suspected ties to terrorism.
The Grand Mosque in Brussels has been a target of hate crime
Belgian Interior Minister Jan Jambon said he would “clean up” Molenbeek, after authorities confirmed many of the suspects involved in the Paris and Brussels terror attacks lived in the neighbourhood.
Mr Mayeur's comments come less than a year after former French president Manuel Valls said France should shut down mosques which support Salafism.
He said: "All Salafists are not jihadists … but almost all are jihadist Salafists.
"A terrible poison has spread.
"Slowly, insidiously, on a background of influences from abroad and rising communalism, developed against a model of society, a model against the Republic and its values.
Brussels terrorist attacks Wed, March 22, 2017
The Brussels airport and Metro bombings in pictures, including the aftermath of the tragic scenes.
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A member of the civil protection holds his face in his hands as he come back from the Maalbeek metro station in Brussels
"Many Muslims in France are taken hostage by the fundamentalist Salafism, who worship a weapon against others.
"The places of worship that house preachers will be closed systematically.
"This fight against radicalisation requires an unprecedented mobilisation of public authorities.
"We need a general mobilisation of all public and civil society as a whole.
"But beyond that there is the question of the construction of Islam in France.
"And Muslims therefore have a huge responsibility."